Abstract：Objective To investigate the clinical effect of continuous passive motion (CPM) machine on improving knee hyperextension in stroke patients with hemiplegia. Methods A total of 60 stroke hemiplegia patients with knee hyperextension admitted to Xuzhou Central Hospital, Jiangsu Province from January to October 2022 were selected. They were divided into two groups according to the random number table method, with 30 cases in each group. The control group received routine rehabilitation training and squatting training, while observation group received routine rehabilitation training and lower limb CPM machine training, both groups were trained continuously for six weeks. Knee hyperextension frequency in 6-minute walking test (6MWT), knee extension angle in the support phase of the affected side, stride length, and stride speed were compared between two groups before treatment and six weeks after treatment. Results Six weeks after treatment, knee hyperextension frequency in 6MWT and knee extension angle in the support phase of the affected side in both groups were lower than those before treatment, and observation group was lower than control group (P＜0.05). Six weeks after treatment, stride length and stride speed in both groups were higher than those before treatment, and observation group was higher than control group (P＜0.05). Conclusion As a simple and easy to operate auxiliary treatment method, CPM machine combined with conventional rehabilitation training can greatly improve the treatment effect of knee hyperextension in stroke patients with hemiplegia.
2023, Vol. 20 
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